Implementation notes: amd64, gcc123, crypto_verify/1975

Computer: gcc123
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20220213
Operation: crypto_verify
Primitive: 1975

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
902	290 0 0	12287 828 912	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
1468	430 0 0	13434 812 880	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
1486	758 0 0	15826 812 880	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
1486	758 0 0	14114 812 880	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
1487	758 0 0	14114 812 880	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
5570	94 0 0	10526 820 912	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
5618	96 0 0	10358 820 912	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
6253	86 0 0	9354 804 880	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
6437	86 0 0	9880 804 880	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

verify.c: verify.c:25:11: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi16(diff,8);
verify.c: ^
verify.c: verify.c:26:11: error: always_inline function '_mm256_srli_epi32' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi32(diff,16);
verify.c: ^
verify.c: verify.c:27:11: error: always_inline function '_mm256_srli_epi64' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi64(diff,32);
verify.c: ^
verify.c: 3 errors generated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

verify.c: verify.c:6:18: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx'
verify.c: __m256i diff = _mm256_set1_epi8(0);
verify.c: ^
verify.c: verify.c:13:20: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx'
verify.c: __m256i x0 = _mm256_loadu_si256((__m256i *) x);
verify.c: ^
verify.c: verify.c:14:20: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx'
verify.c: __m256i y0 = _mm256_loadu_si256((__m256i *) y);
verify.c: ^
verify.c: verify.c:25:11: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi16(diff,8);
verify.c: ^
verify.c: verify.c:26:11: error: always_inline function '_mm256_srli_epi32' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi32(diff,16);
verify.c: ^
verify.c: verify.c:27:11: error: always_inline function '_mm256_srli_epi64' requires target feature 'avx2', but would be inlined into function 'crypto_verify_1975_avx_constbranchindex' that is compiled without support for 'avx2'
verify.c: diff |= _mm256_srli_epi64(diff,32);
verify.c: ^
verify.c: verify.c:29:19: error: '__builtin_ia32_vec_ext_v32qi' needs target feature avx
verify.c: differentbits = _mm256_extract_epi8(diff,0);
verify.c: ^
verify.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/avxintrin.h:2014:23: note: expanded from macro '_mm256_extract_epi8'
verify.c: (int)(unsigned char)__builtin_ia32_vec_ext_v32qi((__v32qi)(__m256i)(X), \
verify.c: ^
verify.c: verify.c:30:20: error: '__builtin_ia32_vec_ext_v32qi' needs target feature avx
verify.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

verify.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
verify.c: from verify.c:1:
verify.c: verify.c: In function 'crypto_verify_1975_avx_constbranchindex':
verify.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:787:1: error: inlining failed in call to always_inline '_mm256_srli_epi64': target specific option mismatch
verify.c: _mm256_srli_epi64 (__m256i __A, int __B)
verify.c: ^~~~~~~~~~~~~~~~~
verify.c: verify.c:27:11: note: called from here
verify.c: diff |= _mm256_srli_epi64(diff,32);
verify.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~
verify.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
verify.c: from verify.c:1:
verify.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:773:1: error: inlining failed in call to always_inline '_mm256_srli_epi32': target specific option mismatch
verify.c: _mm256_srli_epi32 (__m256i __A, int __B)
verify.c: ^~~~~~~~~~~~~~~~~
verify.c: verify.c:26:11: note: called from here
verify.c: diff |= _mm256_srli_epi32(diff,16);
verify.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~
verify.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
verify.c: from verify.c:1:
verify.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:759:1: error: inlining failed in call to always_inline '_mm256_srli_epi16': target specific option mismatch
verify.c: _mm256_srli_epi16 (__m256i __A, int __B)
verify.c: ^~~~~~~~~~~~~~~~~
verify.c: verify.c:25:11: note: called from here
verify.c: diff |= _mm256_srli_epi16(diff,8);
verify.c: ^~~~~~~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx